MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 98f3769bc2318575d1a8d3964c11a6d14b4be9aa380395f9dc3e368cbb465056. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
GuLoader
Vendor detections: 9
| SHA256 hash: | 98f3769bc2318575d1a8d3964c11a6d14b4be9aa380395f9dc3e368cbb465056 |
|---|---|
| SHA3-384 hash: | 7393defaa47e3ccdbf58b375e24662dd13e497ee3676599906849bc2ba3527e88a062cef4aea6ac64cd532eb65bf3169 |
| SHA1 hash: | 287c13aa36c57c6c4f6d102a1437bff47b5d5408 |
| MD5 hash: | 4665d77ded2dcd57301ad3a12ef29ccc |
| humanhash: | maryland-black-berlin-oklahoma |
| File name: | Bileddet.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 292'240 bytes |
| First seen: | 2022-07-21 06:23:26 UTC |
| Last seen: | 2022-07-25 10:31:46 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 5f0c714c36e6cc016b3a1f4bc86559e4 (199 x GuLoader, 14 x Formbook, 4 x AgentTesla) |
| ssdeep | 6144:7DfezhH/Sd9/2JJHEADnXBKd7lt6n9lBO:fRgkADxKd7DD |
| Threatray | 3'520 similar samples on MalwareBazaar |
| TLSH | T141549DA1D240889BEC6A03B6C837CD25156BBD7DA8B1661F666E71357BB33C30027D0B |
| TrID | 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 16.4% (.EXE) Win64 Executable (generic) (10523/12/4) 10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 7.0% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 3319196931716408 (1 x GuLoader) |
| Reporter |  GovCERT_CH |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | arterioplasty Erklringsoplysnings Superintending |
|---|---|
| Issuer: | arterioplasty Erklringsoplysnings Superintending |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-04-04T16:53:06Z |
| Valid to: | 2025-04-03T16:53:06Z |
| Serial number: | -72b13d338667c0b2 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 8590b7bb840859850db699fbcfd880274136bd8655f10c0d070070d631b56b05 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
3
# of downloads :
275
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for the window
Creating a window
Creating a file
Delayed reading of the file
Creating a file in the %temp% subdirectories
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
buer guloader overlay packed shell32.dll wacatac
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Result
Threat name:
FormBook, GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-07-20 15:50:52 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
19 of 39 (48.72%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 3'510 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader downloader
Behaviour
Enumerates physical storage devices
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917
MD5 hash:
792b6f86e296d3904285b2bf67ccd7e0
SHA1 hash:
966b16f84697552747e0ddd19a4ba8ab5083af31
SH256 hash:
711427242bff919c78fbba2b298b5d5898f75d73f1d7f4c4eb22badf525864a5
MD5 hash:
70ba99745542354a2efcb1c2f167b62b
SHA1 hash:
8b18bc8d3e6e52222baef7ab7ab125436ef5c966
SH256 hash:
98f3769bc2318575d1a8d3964c11a6d14b4be9aa380395f9dc3e368cbb465056
MD5 hash:
4665d77ded2dcd57301ad3a12ef29ccc
SHA1 hash:
287c13aa36c57c6c4f6d102a1437bff47b5d5408
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.02
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | Ins_NSIS_Buer_Nov_2020_1 |
|---|---|
| Author: | Arkbird_SOLG |
| Description: | Detect NSIS installer used for Buer loader |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
Comments
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